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TRF3750IPWG4 Datasheet(PDF) 11 Page - Texas Instruments |
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TRF3750IPWG4 Datasheet(HTML) 11 Page - Texas Instruments |
11 / 38 page TRF3750 SLWS146B − MARCH 2004 − REVISED AUGUST 2007 www.ti.com 11 TYPICAL CHARACTERISTICS 100 1k 10k 1M 100k RMS = 0.95° −140 −130 −120 −110 −100 −90 −80 −70 −60 −50 −40 Figure 14. Phase Noise (RFOUT = 1750 MHz) PHASE NOISE vs FREQUENCY f − Frequency Offset from 1750 MHz Carrier − Hz RMS = 0.95° PFD = 200 kHz Loop BW = 20 kHz f − Frequency Offset from 1960 MHz Carrier − kHz −120 −110 −100 −90 −80 −70 −60 −50 −40 −30 −20 −10 0 −500−400−300−200−100 0 100 200 300 400 500 AVDD = DVDD = 3.3 V ICP = 5 mA Res. Bandwidth = 1 kHz Video Bandwidth = 1 kHz Average = 30 PFD = 200 kHz Loop BW = 20 kHz OUTPUT POWER vs FREQUENCY −92 dBc Reference Level = −6.9 dBm Figure 15. Reference Spurs (RFOUT = 1960 MHz) f − Frequency Offset from 1960 MHz Carrier − kHz −100 −90 −80 −70 −60 −50 −40 −30 −20 −10 0 −2.5 −2.0 −1.5 −1.0 −0.5 0.0 0.5 1.0 1.5 2.0 2.5 AVDD = DVDD = 3.3 V ICP = 5 mA Res. Bandwidth = 1 Hz Video Bandwidth = 1 Hz Average = 30 PFD = 200 kHz Loop BW = 20 kHz OUTPUT POWER vs FREQUENCY −84 dBc/Hz Reference Level = −6.7 dBm Figure 16. Phase Noise (RFOUT = 1960 MHz) −140 −130 −120 −110 −100 −90 −80 −70 −60 −50 −40 PHASE NOISE vs FREQUENCY 100 1k 10k 1M 100k f − Frequency Offset from 1960 MHz Carrier − Hz Figure 17. Integrated Phase Noise (RFOUT = 1960 MHz) RMS = 0.98° PFD = 200 kHz Loop BW = 20 kHz |
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